// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2018 Macronix * * Author: Boris Brezillon */ #include #include #include #define SPINAND_MFR_MACRONIX 0xC2 #define MACRONIX_ECCSR_MASK 0x0F static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), SPINAND_PROG_LOAD(true, 0, NULL, 0)); static SPINAND_OP_VARIANTS(update_cache_variants, SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), SPINAND_PROG_LOAD(false, 0, NULL, 0)); static int mx35lfxge4ab_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { return -ERANGE; } static int mx35lfxge4ab_ooblayout_free(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { if (section) return -ERANGE; region->offset = 2; region->length = mtd->oobsize - 2; return 0; } static const struct mtd_ooblayout_ops mx35lfxge4ab_ooblayout = { .ecc = mx35lfxge4ab_ooblayout_ecc, .free = mx35lfxge4ab_ooblayout_free, }; static int mx35lf1ge4ab_get_eccsr(struct spinand_device *spinand, u8 *eccsr) { struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(0x7c, 1), SPI_MEM_OP_NO_ADDR, SPI_MEM_OP_DUMMY(1, 1), SPI_MEM_OP_DATA_IN(1, eccsr, 1)); int ret = spi_mem_exec_op(spinand->spimem, &op); if (ret) return ret; *eccsr &= MACRONIX_ECCSR_MASK; return 0; } static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand, u8 status) { struct nand_device *nand = spinand_to_nand(spinand); u8 eccsr; switch (status & STATUS_ECC_MASK) { case STATUS_ECC_NO_BITFLIPS: return 0; case STATUS_ECC_UNCOR_ERROR: return -EBADMSG; case STATUS_ECC_HAS_BITFLIPS: /* * Let's try to retrieve the real maximum number of bitflips * in order to avoid forcing the wear-leveling layer to move * data around if it's not necessary. */ if (mx35lf1ge4ab_get_eccsr(spinand, spinand->scratchbuf)) return nanddev_get_ecc_conf(nand)->strength; eccsr = *spinand->scratchbuf; if (WARN_ON(eccsr > nanddev_get_ecc_conf(nand)->strength || !eccsr)) return nanddev_get_ecc_conf(nand)->strength; return eccsr; default: break; } return -EINVAL; } static const struct spinand_info macronix_spinand_table[] = { SPINAND_INFO("MX35LF1GE4AB", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x12), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35LF2GE4AB", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22), NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), SPINAND_INFO("MX35LF2GE4AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26), NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35LF4GE4AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37), NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35LF1G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14), NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), SPINAND_INFO("MX35LF2G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), SPINAND_INFO("MX35LF4G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35), NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), SPINAND_INFO("MX31LF1GE4BC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX31UF1GE4BC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9e), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35LF2G14AC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x20), NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF4G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb5), NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF4GE4AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb7), NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF2G14AC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa0), NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF2G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa4), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF2GE4AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa6), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF2GE4AC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa2), NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF1G14AC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x90), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF1G24AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x94), NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF1GE4AD", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x96), NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(8, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), SPINAND_INFO("MX35UF1GE4AC", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x92), NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), NAND_ECCREQ(4, 512), SPINAND_INFO_OP_VARIANTS(&read_cache_variants, &write_cache_variants, &update_cache_variants), SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, mx35lf1ge4ab_ecc_get_status)), }; static const struct spinand_manufacturer_ops macronix_spinand_manuf_ops = { }; const struct spinand_manufacturer macronix_spinand_manufacturer = { .id = SPINAND_MFR_MACRONIX, .name = "Macronix", .chips = macronix_spinand_table, .nchips = ARRAY_SIZE(macronix_spinand_table), .ops = ¯onix_spinand_manuf_ops, };